May weather forecast and climate
Upton, NY

The last month of the spring, May, is a mild month in Upton, New York, with average temperature fluctuating between 54.1°F (12.3°C) and 60.4°F (15.8°C).

Temperature

In May, the average high-temperature increases, from a cool 51.4°F (10.8°C) in April, to a moderate 60.4°F (15.8°C). The average low-temperature, in Upton, New York, is 54.1°F (12.3°C).

Humidity

May is the most humid month in Upton, with an average relative humidity of 80%.

Rainfall

In May, the rain falls for 15 days. Throughout May, 2.4" (61mm) of precipitation is accumulated. In Upton, New York, during the entire year, the rain falls for 156.2 days and collects up to 30.2" (767mm) of precipitation.

Snowfall

In Upton snow does not fall in May through October.

Daylight

In May, the average length of the day is 14.5h.

Sunshine

In May, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Upton?

In Upton, in May, the average high-temperature is 60.4°F (15.8°C), and the average low-temperature is 54.1°F (12.3°C).

What is the most humid month in Upton?

With an average relative humidity of 80%, May is the most humid month in Upton, New York.

What is the average humidity in May in Upton?

In May, the average relative humidity in Upton is 80%.

How much does it rain in Upton in May?

In Upton, New York, in May, during 15 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

Does it snow in Upton in May?

In May, in Upton, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Upton?

May through October are months without snowfall in Upton, New York.

What is the average length of the day in May in Upton?

In May, the average length of the day in Upton is 14.5h.

How many hours of sunshine does Upton have in May?

The average sunshine in May in Upton, New York, is 8.9h.

What is the UV index reading in May in Upton?

In May, the average daily maximum UV index in Upton is 5. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.
Average temperature in May - Upton, NY
  • Average high temperature in May: 15.8°C

The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in May: 12.3°C

Months with the highest average low temperature are July and August (21.9°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average pressure in May - Upton, NY
  • Average pressure in May: 1016.4mbar

The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in May - Upton, NY
  • Average wind speed in May: 17.3km/h

The windiest month (with the highest average wind speed) is January (23.3km/h).
The calmest month (with the lowest average wind speed) is July (15.4km/h).

Average humidity in May - Upton, NY
  • Average humidity in May: 80%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).

Average rainfall in May - Upton, NY
  • Average rainfall in May: 61mm

The wettest month (with the highest rainfall) is December (84mm).
The driest months (with the least rainfall) are January, February and September (51mm).

Average rainfall days in May - Upton, NY
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).

Average snowfall in May - Upton, NY
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (38mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in May - Upton, NY
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (5.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Upton, NY
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 8.9h

Months with the most sunshine are July and August (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in May - Upton, NY
  • Average sunshine days in May: 14.2 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.8 days).

Average UV index in May - Upton, NY
  • Average UV index in May: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in May - Upton, NY
  • Average cloud cover in May: 41

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in May - Upton, NY
  • Average visibility in May: 9km

Months with the highest visibility are April, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February, March, May and December (9km).